Shearing-machine gage.



J. R. FREEZE.

SHEARING MACHINE GAGE. APPLICATION FILED APB.3, 1916.

1,1 87,517. I Patented June 20, 1916.

2 SHEETS-SHEET I.

(Elmo/bu If fi'eeze Witness: Inventor Z; w. 5 ac Attorney THE COLUMBIA ILANODRAPH CD-. WASHINGTON. D. c.

J. R. FREEZE.

SHEARING MACHINE GAGE.

APPLICATION FILED APR.3, 916.

1,187,517. I Patented June 20,1916.

2 SHEETS-SHEET 2.

fi/maf/mn/i H6026 Witness: Inventor Attorney TH: coLuMBiA FLANOURAPH CO., WASHINGTON, D. c.

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JOI-INATI-IAN R. FREEZE, OF MIDDLETOWN, OHIO, ASSIGNOR TO THE AMERICAN ROLLING MILL COMPANY, OF NEWARK, NEW" JERSEY.

SHEARING-MACHINE GAGE.

Specification of Letters Patent.

Patented June 20, 1916.

To all whom it may concern:

Be it known that I, JoHNA'rHAN R. FREEZE, a citizen of the United States, residing at Middletown, Butler county, Ohio, have invented certain new and useful Improvements in Shearing-Machine Gages, of which the following is a specification.

In cross-shearing metal sheets in shearing machines of the gate type, the sheet is laid upon the table of the machine and passed rearwardly between the open shear-blades and against a rear gage to determine the length to be sheared off. With thin sheets, or even if a plurality of sheets is sheared off at one time, the flexibility of the rearwardly projecting sheet or sheets often causes such sagging as to bring the extreme rear edge of the sheet below the gage or at least down to such extent as to interfere with the accuracy of the gaging. In order to correct this matter it is not uncommon to have a helper at the rear of the machine to hold up the rear edge of the projecting sheet. A rear table corrects this evil but necessitates the withdrawing of the cut sheet edgewise from such table.

In my improved gage I provide skeleton supports at the rear of the shear-blades and I arrange that the skeleton supports shall be automatically moved aside to permit the dropping of the cut sheet.

My invention will be readily understood from the following description taken in connection with the accompanying drawings in which Figure 1 is a plan of portions of an ordinary gate shear provided with my improved gage; Fig. 2 a vertical section of the same in the plane of line b of Fig. 1; and F 3 a transverse section of one of the gaging supports in the plane of line a of Figs. 1 and 2.

In the drawings: 1, indicates the table of an ordinary shear machine of the gate type; 2, the lower shear-blade; 3, the side housings; 4, the gate; 5, the upper shearblade, all of the parts thus far referred to being of usual construction and subject to usual modifications; 6, a pair of brackets projecting rearwardly from the gate and' having their front ends rigidly secured to the gate and provided at each end with a horizontal bearing; 7, a horizontal shaft, preferably tubular for the sake of lightness, journaled in the ends of each of the brackets; 8, a supporting rod, preferably tubular for the sake of lightness, disposed below and parallel with each of shafts 7, the upper surfaces of these rods being substantially on the level of the cutting edge of the lower shear-blade; 9, an arm rigidly and adjust ably connecting the rear end of each shaft 7 with its appropriate supporting-rod 8; and

sheet permitted to drop between the rods. r

Continuing with the drawings: 11, indicates a bracket rigidly secured to eachhousing and projecting inwardly therefrom above the level of the shafts 7; 12, an outwardly projecting arm adjustably clamped on each of shafts 7 and 18, links pivoted to the brackets 11 and to the arms 12.

As the gate descends and carries rods 8 downwardly, the links partially rotate shafts 7 and swing rods 8 sidewise so that the previously supported and gaged sheet may drop and take place on a pile on the floor or on a suitable truck. ihe distance apart of the brackets 6 and the parts carried by them, should be such that the rods 8, in swinging sidewise, will clear the sides of the sheared portion of the sheet, and it has been found in practice that the two supporting rods need not clear the sides of the sheet simultaneously for when a supporting rod has withdrawn from under one side of the sheet, the sheet will drop and release itself from the other rod and .become properly added to the pile on the floor or truck. The pivots of links 13 are adjustable in slots in the brackets and in the arms 12, thus permitting the timing of the side swinging of the supporting rods in order that upon the completion of the shearing one or both of the supporting rods shall have disengaged from under the sheet and permit the sheet to completely or partially drop so as notto be caught again by the in swinging of the supporting rods. In the illustrated example the outward swinging of the supporting rods is brought about by the descent of the gate, the rising of the gate restoring the llO rods to supporting position, there thus being an insurance that outward and inward swinging of the rods will be in unison with the rising and falling of the gate.

Assume that shearing is being done upon sheets of such width that normal sidewise swinging of supporting-rods 8 will remove those rods from under the sheet. If sheets are to be dealt with of such lesser width as not to engage over the supporting-rods then arms 9 orarms 12 may be adjusted, in an obvious manner, to bring the supportingrods-nearer each'other,'and if wider sheets are to be dealt with then either pair of these arms may be adjusted angularly to bring I the supporting-rods farther apart, provision being thus made for adjusting arms 9 or 12, or both, angularly so that the supportingrods will give proper support to the sides of the projecting portion of the sheet and will properly support the sheet when swung inwardly.

I claim i Y 1. A shearing machine gage comprising, a'table, a fixed shear-blade carried thereby,

a gate, a movable shear-blade carried by the gate, a pair of transversely movable supporting-rods disposed at the rearof the gate and at right angles thereto and having upper surfaces at substantially the level of the shearing edge of thefixed shear-blade, gagestops adjustably mounted on said supporting rods, and operative mechanism for swinging the supporting rods latterly, com bined substantially as set forth.

2. A shearing machine gage comprising, a table, a fixed shear-blade carried thereby, a gate, a'movable shear-blade carried by the gate, a pair of transversely movable supporting-rods disposed at the rear of the gate and at right angles thereto and having upper surfaces at substantially the level of the shearing edgeof the fixed shear-blade, gage-stops adjustably mounted on said supporting rods, and operative mechanism connecting the gate and supporting-rods for swinging the supporting rods latterly, combined substantially as set forth.

3. A shearing machine gage comprising, j

a table, a fixed shear-blade carried thereby,

a gate, a movable shear blade carried by the stops adjustably mounted on" said supportgate, a pair of transversely movable supporting-rods disposed at the rear of the gate and at right angles thereto and having upper surfaces at substantially the, level of the shearing edge of the fixed shear-blade, gageing rods, brackets projecting rigidly rearwardly from the gate, shafts parallel with said brackets and journaled therein above said supporting-rods, arms rigidly connecting. each shaft with its appropriate supporting rod, and operative mechanism working in unison with the gate and serving to partially rotate said shafts and swing the supporting rods latterly, combined substantially as set forth. 1

i. A shearing machine gage comprising, a table, a fixed shear-blade carried thereby,

a gate, a movable shear-blade carried by the gate, a pair of transversely movable supporting rods disposed at the rear of the gate and at right angles thereto and having upper surfaces substantially the level of the shearing edge of the'fixed shear-blade,'gagestops a table, a fixed shear-bl'ade carried thereby,

a gate, a movable shear-blade carried by the gate, a pair of transversely movable supporting-rods disposed at the rear of the gate and at right angles thereto and having upper surfaces at substantially. the level of the shearing edge of the fixed shear-blade, gagestops adjust'ably mounted on said supporting rods, a rotatory shaft parallel with each supporting-rod, means for partially rotating said shafts, arms rigidly connecting the shafts and supporting-rods, and means for angularly adjusting said arms relative to said shafts, combined substantially as set forth. Y,

6. A shearing machlne gage comprislng,

a table, a fixed shear-blade carried thereby,

a gate, a movable shear-blade carried by the gate, a pair of transversely movable support-- ing rods disposed at the rear of the gate and at right angles thereto and having upper surfaces at substantially the level of the shearing edge of the fixed shear-blade, gagestops adjustablv mounted on said supporting rods, rotatory shafts mounted parallel with the supporting-rods, arms rigidly connecting the shafts with the rods, an arm projecting rigidly from each of the shafts,

means for angularly'adjusting the arms on sald shafts, and operative mechanism :for

giving rotary motion to said shafts, com-- bined substantially as set forth.

VJOHNAT'HAN -Witnesses: V I V E, A. WUERDEMAN, FRED. O. SGHUVELLERR Washington, I). c."

Ave cents each, by addressing the "Commissioner of Patents. M 

